The 150 - 330 metre wide asteroid 2009 UX17 will make a close pass (74.5 Lunar Distances, 0.1914 AU), travelling at 5.94 km/s, to the Earth-Moon system on the 9th November, 2009. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
Orbital elements: 2009 UX17 Earth MOID = 0.1415 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 322.86181 (2000.0) P Q n 0.76681282 Peri. 279.46497 -0.70456062 -0.70143232 a 1.1821606 Node 216.12386 +0.70140904 -0.66528569 e 0.0847788 Incl. 10.52069 +0.10779469 -0.25571009 P 1.29 H 21.3 G 0.15 U 9